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The EN-Ⅱ compact busduct system, in conformity to GB7251 and IEC61439, with rated operating voltage of 690V, rated insulated voltage of 1000V, operating frequency of 50-60 Hz, rated operating current of 250-6300A, maximum tapping current of 1600A, and level of protection IP42&IP54 (up to IP66), is applicable to the following power supply and distribution system: three-phase three-wire, three-phase four-wire and three-phase five-wire, etc. In addition, the configuration of multiple conductor specification is provided, such as standard cooper conductor, 100%-200% neutral line and aluminum conductor, etc., to meet customers’ requirements for different application scenarios.
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Standard
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IEC61439-6、GB7251.6
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Certificate
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CCC
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System
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Three-phase three-wire, three-phase four-wire, three-phase five-wire,and three-phase five-wire(enclosure as PE)
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Ambient temperature
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Not exceeding +40℃,not exceeding +35℃ on average in 24 hours
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Level of protection
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Up to IP54 for the plug-in busway system,up to IP66 for the feeder busway system
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Tightening torque of connector(Nm)
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68±7
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Conductor material
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Cooper busbar with Tin plated, aluminum busbar with cooper and tin plated
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Color of busway system
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Electrostatic powder sprayed,RAL7035(light gray)
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Tap-off point configuration
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1-10 ports can be set on the front and reverse side for the standard straight line section with the length of 3 meters
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Rated isolating voltage Ui AC(V)
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1000
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Rated operating voltage Ue AC(V)
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380~690
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Rated frequency f(Hz)
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50/60
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Busway system current(A)
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250~6300
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Tap-off unit current(A)
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From 16A,up to 1600A
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Voltage class/pollution class
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Ⅲ/3
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static/file/20180622225341694169
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